Home / 136,439.84-204,692.52-52,198.62

Finding the Fourth Proportional to 136,439.84, 204,692.52 and 52,198.62

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Solution

The fourth proportional to 136,439.84, 204,692.52 and 52,198.62 is: 78,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439.84 : 204,692.52 = 52,198.62 : x
  2. Step 2: Convert to fraction form
    136,439.84/204,692.52 = 52,198.62/x
  3. Step 3: Cross multiply
    136,439.84x = 204,692.52 × 52,198.62
  4. Step 4: Simplify right side
    136,439.84x = 10,684,667,068.32
  5. Step 5: Solve for x
    x = 10,684,667,068.32/136,439.84
  6. Step 6: Final answer
    x = 78,310.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.